Toothbrush



FIG. 1 is a front perspective view;

FIG. 2 is a side view;

FIG. 3 is a rear view;

FIG. 4 is a view from above; and,

FIG. 5 is a view from below.

The broken line showing of the bristles is for illustrative purposesonly and forms no part of the claimed design.

I claim the ornamental design for a toothbrush, as shown and described.